William holzhauser



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WILLIAM HOLZHUSER, OF BUFFALO, NEW YORK.

Letters Patent No. 81,905, dated September 8, 1868.

IMPROVEMENT IN VENTILATOBS.

TO ALL WHOM IT MAY CONOERN:

Beit known that I, WILLIAM HOLZHUSER, of Saxe-Weimar, in Germany, now a resident pf the city of Buiialo, county of Erie, and State of New York, have invented a new and improved Apparatus for Ventilating Buildings; and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, making a part of this specication, in which- Figure I is a longitudinal vertical section, showing said apparatus when operated by mechanical power.

Figure II is a transverse vertical section of the same, showing it when operated by the action ofthe wind.

The nature of this invention consistsy First, in a system of pipes arranged within the walls of buildings, in such manner that through one pipe or set of pipes the cold air is forced downwardly below the building, or between the joists of the I'loors thereof, and thus admitted into the rooms, and through another pipe or set of'pipes the foul or unwholesome air is ejectedfrom the rooms into the open air. i

Second, in a system of registers or valves provided in each room of the building, in combination with the above-mentioned system ofv pipes, by means of which registers or valves the supply of'cold and pure air, as well as the discharge of the foul and uuwholesome air in each room, may be regulated by the occupants.

Third, in the combination, with said system of pipes, of a. fan-blower attached to the top of the air-supply pipe, above the roof ofthe building, said fan-blower being set in motion by steam, or any other mechanical power.

Fourth, the combination, with said system ci" pipes, of a blow-pipe, such as are used upon steam-vessels for furnishing pure air to those near the furnace, which blow-pipe is supported upon a central shaft connected to the air-supply pipe above the roof of the building, and provided with wingsor vanes, by means of which its mouth is continually turned towards the wind, and pure air driven down the air-supply pipe automatically and without the aid of mechanical power.

Fifth, in the construction of regulating-valves or dampers, one in each`the main supply-pipe and the main discharge-pipe-for regulating the amount of supply to the whole building. y

Letters of like name and kind refer to like parts in each of the gures. 4

A. A represent the walls of a one-story building, etl the door, a2 the ceiling, and the roof.

B represents the main air-supply pipe, which is located within the partition-wall of the building, and extends from the gable thereof down to the cellar. A horizontal extension of this supply-pipe may be attached thereto in the cellar, and between the joists of intermediate oors, as shown at b. i

Pure air is forced into the top of this supply-pipe by means of either a fan-blower, C, of common construc tion, or the automatic action of a revolving wind-catcher, as shown in Fig. II. Thelatter device consists of a. .curved tube, D, having a flaring mouth, which-tube is supported upon a vertical shaft, all. Wings or vanes, d2, are attached to the tube, pointing in a direction opposite to the mouth thereof. Y By this meansthe mouth of the tube will constantly be turned to the wind-side and receive a supply of pure air, which is forced down through the wind-pipe B.

E represents a spiral vane, which is supported upon a central shaft, and placed within the daring mouthV of the tube D or of the spout of the fan-blower C. The object of this is to regulate the supply of pure air, producing a steady current through the pipe B. f

F represents the main exhaust-pipe, which is connected with the supply-pipe immediately below the roof of the building, leads horizontally, to the opposite end, then passes upwardly thropgh the roof.

G G are valves or dampers, one placed within eachthe supply and the exhaust-pipe. They consist of a plate of metal-or other suitable material, which slides horizontally within slots made in the pipes, so as to increase or diminish the area of the bore of the pipe. Avcollar is placed around the pipe, upon one side of the slide, which collar is slipped over the slot in a manner to cover the same when the slide is drawn out, so as to admit of the passage of more air through the pipe. These two slides are the principal means for increasing or diminishing the supply of pure air to the building. While one is open the other should be c1osed,`so as to allow the surplus supply, when shut oii in the main pipe, to pass ot through the exhaust-pipe.

H H are regulators or dempers, two of which are located in each room of a. building. H represents the supply-damper, and H the exhaust-valve. The former is connected to the main supply-pipe, in close proximity to the iioor, and the latter to the ceiling or upper portion ofthe wall. In rooms located directly below the garret, the registers H may communicate with such garrot, as shown in the drawings, but where there is more than one story these exhaust-registers should be connected to a. main exhaust-tube, which may be located within the wall, in a manner similar to the main supply-pipe, and either terminate in the garret, as shown, or connect directly with the exhaust-pipe F.

I represents a register, in the main exhaust-pipe F', which is used only when the .unwholesome air of the building is collected under the roof thereof.

This apparatus is specially intended and admirubly'adapted fory supplying halls, churches, theatres, and publie buildings with pure air, but can also be applied to private dwelling-houses, saloons, breweries, tenementhouses,V and other places where a constant supply of pure air is desirable.

What I claim as my invention, and desire to secure by'Letters Patent, isv- Y 1. The combination, with the system of pipes B bF, of afan-blower, C, for the purpose and substantially as described` 2. The combination, with said system of pipes, of the revolving wind-catcher D, constructed and operating substantially as and for the purpose described. A

3. In eombinationiwith the above, the main regulating-dampers G G', and registers H H', arranged and operating as described. u

WILLIAM HOLZHAUSER.

Witnesses:

ROBERT BUERGER, B. H. MUEHLE. 

